coupled transition

例句：

1. 1. The coupled transition between two systems is crucial for the stability of the system.
   两个系统之间的耦合过渡对于系统的稳定至关重要。
2. 2.In the coupled transition, the energy levels of the atoms are changing rapidly.
   在耦合过渡中，原子的能量级正在迅速变化。
3. 3.The coupled transition in the material system is responsible for the change in its properties.
   材料系统中的耦合过渡是其性质变化的罪魁祸首。